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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1898928Generated: October 31, 2026

1-Amidino-4,4-diethyl-2-oxoimidazolidine hydrobromide → HCID 178428592, compound

https://huagongshe.com/reaction/1898928

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Amidino-4,4-diethyl-2-oxoimidazolidine hydrobromideHCID 23372861—
Reactant3-(Cycloundecen-1-yl)-1,2-diazacycloundec-2-eneHCID 53630274—
Reactant2-cyano-3-ethoxyacrylic acid N-cyclopropylmethyl-N-(3-trifluoromethylphenyl)amideHCID 54341639—
ProductHCID 178428592HCID 17842859236.4%

Reaction Steps

Starting from 6.58 g (24.8 mmol) of 1-amidino-4,4-diethyl-2-oxoimidazolidine hydrobromide (comp. III: R1, R2 =C2H5 ; R3 =H as hydrobromide) and 3.87 g (26.1 mmol) of diazabicycloundecene (DBU) as auxiliary base and 7.40 g (24.8 mmol) of a compound IV (R4 =CH3 ; R5, R6 =H; R7 =C3H5) by the procedure described in Examples 82-84, 3.94 g (=36.4% yield) of pure 1-cyano-1-[N-methyl-N-(3-trifluoromethylphenyl)carbamoyl]-2-[imino(4,4-diethyl-2-oxo-1-imidazolidinyl)methylamino]ethene (comp. II: R1, R2 =C2H5 ; R3, R5, R6 =H; R4 =CH3) were obtained, melting point 184°-87°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05571816
Source datasetuspto-grants-1996_11
ORD IDord-e95aba98f6db42b4a8c21f14665131ff
Source noteuspto-grants-1996_11